DTC B1805/52 Short in Front Passenger Side Squib Circuit. DTC B1806/52 Open in Front Passenger Side Squib Circuit

Transcription

1 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 177 DT 1805/52 Short in Front Passenger Side Squib ircuit DT 1806/52 Open in Front Passenger Side Squib ircuit DT 1807/52 DT 1808/52 Short to GND in Front Passenger Side Squib ircuit Short to + in Front Passenger Side Squib ircuit DESRIPTION The front passenger side squib circuit consists of the center airbag sensor assembly and the front passenger airbag assembly. The circuit signals the S to deploy when deployment conditions are met. These DTs are recorded when a malfunction is detected in the front passenger side squib circuit. DT No. DT Detection ondition Trouble rea 1805/ / / /52 enter airbag sensor assembly detects line short circuit signal in front passenger side squib circuit 5 times during primary check. enter airbag sensor assembly malfunction enter airbag sensor assembly detects open circuit signal in front passenger side squib circuit for 2 enter airbag sensor assembly malfunction enter airbag sensor assembly detects short circuit to ground signal in front passenger side squib circuit for 0.5 enter airbag sensor assembly malfunction enter airbag sensor assembly detects short circuit to + signal in front passenger side squib circuit for 0.5 enter airbag sensor assembly malfunction enter airbag sensor assembly enter airbag sensor assembly enter airbag sensor assembly enter airbag sensor assembly

2 178 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM WIRI DIGRM 1 1 E 2 2 E 4 E29 3 E29 Front Passenger Side Squib (Front Passenger irbag ssembly) enter irbag Sensor ssembly E01 INSPETION PROEDURE HINT: Perform the simulation method by selecting HEK MODE (signal check) with the intelligent tester (See page -39). fter selecting HEK MODE (signal check), perform the simulation method by wiggling each connector of the airbag system or driving the vehicle on a city or rough road (See page -29). 1 HEK ONNETOR (FRONT PSSEER IRG - INSTRUMENT PNEL WIRE SSEMLY) (c) Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 heck the instrument panel wire assembly connector and terminals (on the front passenger airbag side) and the connector is properly connected to the front passenger airbag.

3 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 179 No problem onnector or terminals incorrect. onnector connected improperly. Proceed to REPIR OR REPLE INSTRUMENT PNEL WIRE SSEMLY ONNET ONNETOR PROPERLY 2 HEK FRONT PSSEER IRG (FRONT PSSEER SIDE SQUI) F E D Front Passenger Side Squib G DL3 onnector E T enter irbag Sensor ssembly SST olor: Orange DT 52 H100858E02 SST Disconnect the connectors from the front passenger airbag assembly. onnect the white wire side of SST (resistance 2.1 Ω) to connector E (orange connector). UTION: Never connect a tester to the front passenger airbag assembly (front passenger for measurement, as this may lead to a serious injury due to airbag deployment. NOTIE: Do not forcibly insert the SST into the terminals of the connector when connecting. Insert the SST straight into the terminals of the connector. (c) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (d) Turn the ignition switch on, and wait for at least 60 (e) lear the DTs stored in the memory (See page -36). (f) Turn the ignition switch off. (g) Turn the ignition switch on, and wait for at least 60 (h) heck the DTs (See page -36). : DT 1805/52, 1806/52, 1807/52 and 1808/52 are not output. HINT: DTs other than DT 1805/52, 1806/52, 1807/52 and 1808/52 may be output at this time, but they are not related to this check. REPLE FRONT PSSEER IRG

4 180 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 3 HEK ONNETOR (INSTRUMENT PNEL WIRE SSEMLY - INSTRUMENT PNEL WIRE) No problem onnector or terminals incorrect. onnector connected improperly. Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 (c) Disconnect the SST from connector E. (d) heck the instrument panel wire assembly connector and terminals (on the instrument panel wire side) and check the connector is properly connected to the instrument panel wire. Proceed to REPIR OR REPLE INSTRUMENT PNEL WIRE SSEMLY ONNET ONNETOR PROPERLY 4 HEK INSTRUMENT PNEL WIRE SSEMLY Front Passenger Side Squib F E D Instrument Panel Wire ssembly Instrument Panel Wire onnector E enter irbag Sensor ssembly olor: Orange (c) Disconnect the instrument panel wire connector from the instrument panel wire assembly. heck for short to + in the circuit. (1) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (2) Turn the ignition switch on. (3) Measure the voltage. Standard voltage -2 () - ody ground Ignition switch on elow 1 V -1 () - ody ground Ignition switch on elow 1 V heck for open in the circuit. (1) Turn the ignition switch off. (2) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 (3) Measure the resistance. -2 () - -1 () lways elow 1 Ω E01 (d) heck for short to ground in the circuit. (1) Measure the resistance.

5 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM () - ody ground lways 1 MΩ or higher -1 () - ody ground lways 1 MΩ or higher (e) heck for short in the circuit. (1) Release the activation prevention mechanism built into connector D (See page -29). (2) Measure the resistance. -2 () - -1 () lways 1 MΩ or higher (3) Restore the released activation prevention mechanism of connector D to the original condition. REPIR OR REPLE INSTRUMENT PNEL WIRE SSEMLY 5 HEK ONNETOR (INSTRUMENT PNEL WIRE - ENTER IRG SENSOR SSEMLY) No problem onnector or terminals incorrect. onnector connected improperly. Disconnect the connector from the center airbag sensor assembly. heck the instrument panel wire connector and terminals (on the center airbag sensor assembly side) and check the connector is properly connected to the center airbag sensor assembly. Proceed to REPIR OR REPLE INSTRUMENT PNEL WIRE ONNET ONNETOR PROPERLY

6 182 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 6 HEK INSTRUMENT PNEL WIRE Front Passenger Side Squib Instrument Panel Wire ssembly FE D Instrument Panel Wire enter irbag Sensor ssembly heck for short to + in the circuit. (1) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (2) Turn the ignition switch on. (3) Measure the voltage. Standard voltage E-1 () - ody ground Ignition switch on elow 1 V E-2 () - ody ground Ignition switch on elow 1 V E onnector heck for open in the circuit. (1) Turn the ignition switch off. (2) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 (3) Measure the resistance. E-1 () - E-2 () lways elow 1 Ω H100861E07 (c) (d) heck for short to ground in the circuit. (1) Measure the resistance. E-1 () - ody ground lways 1 MΩ or higher E-2 () - ody ground lways 1 MΩ or higher heck for short in the circuit. (1) Release the activation prevention mechanism built into connector (See page -29). (2) Measure the resistance. E-1 () - E-2 () lways 1 MΩ or higher (3) Restore the released activation prevention mechanism of connector to the original condition. REPIR OR REPLE INSTRUMENT PNEL WIRE 7 HEK ENTER IRG SENSOR SSEMLY onnect the instrument panel wire connector to the instrument panel wire assembly.

7 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 183 FE Front Passenger Side Squib G DL3 T D enter irbag Sensor ssembly DT 52 H102140E01 onnect the connectors to the front passenger airbag assembly and the center airbag sensor assembly. (c) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (d) Turn the ignition switch on, and wait for at least 60 (e) lear the DTs stored in the memory (See page -36). (f) Turn the ignition switch off. (g) Turn the ignition switch on, and wait for at least 60 (h) heck the DTs (See page -36). : DT 1805/52, 1806/52, 1807/52 and 1808/52 are not output. HINT: DTs other than DT 1805/52, 1806/52, 1807/52 and 1808/52 may be output at this time, but they are not related to this check. REPLE ENTER IRG SENSOR SSEMLY USE SIMULTION METHOD TO HEK